Fishing – trapping – and vermin destroying
Patent
1994-12-01
1997-06-17
Picardat, Kevin
Fishing, trapping, and vermin destroying
437211, 437214, 437217, 437218, H01L 2160
Patent
active
056396937
ABSTRACT:
A process for fabricating a semiconductor device which permits the placement of plural semiconductor chip devices at a reduced pitch comprises the steps of bonding a plurality of semiconductor chip devices to a substrate, forming a conductive thin film on the substrate to cover at least connecting regions of the semiconductor chip devices, and patterning the conductive thin film using an excimer laser to form interconnections between the respective semiconductor chip devices. The conductive thin film is formed by a method selected from physical vapor deposition and chemical vapor deposition. The step of bonding the semiconductor chip devices to a substrate is preferably performed using an epoxy-based adhesive. Preferably, an insulating film is formed on the plural semiconductor chip devices in regions except for the connection regions. Patterning of the conductive thin film is performed using an excimer laser beam emitted in two pulses at an output energy of 300 mJ/cm.sup.2.
REFERENCES:
patent: 5091769 (1992-02-01), Eichelberger
patent: 5315486 (1994-05-01), Fillion et al.
patent: 5353498 (1994-10-01), Fillion et al.
patent: 5442236 (1995-08-01), Fukazawa
Ishii Takichi
Koseki Osamu
Mandai Masaaki
Takeuchi Hitoshi
Yoshino Tomoyuki
Picardat Kevin
Seiko Instruments Inc.
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